Bahianite
was discovered in 1974 in Bahia State, Brazil. It is
a very rare gem and very unusual mineral in that it
is an aluminum antimony mixed oxide with a Moh's hardness
of 9. It is very rare in facet grade crystals and even then it is
translucent and usually moderately to heavily included.

The
only current source of Bahianite is the type locality;
the region around Pico das Almas River, about
eight km southeast of the village of Paramirim das Crioulas, Érico
Cardoso (old Água Quente), Bahia, Northeast Region, Brazil.

Bahianite
gems for sale:

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